出口商品的价格构成依据因所使用的贸易术语的不同而不同，企业的FOB价格一般包括商品成本、国内总费用和国外费用。 ( )
参考答案：错
用动词的正确形式填空。
1. She _____ (do) her homework last night.
2. We (be)at home last Sunday.
3. I will (meet) my friend tomorrow.
4. He is going to _____ (take) some photos.
5. Look! Daming ____ (talk) on the phone.
长期趋势分析方法中是将时间作为解释变量的。( )
